On 11/14/2017 04:33 PM, Tycho Andersen wrote: >> >> void set_bh_page(struct buffer_head *bh, >> ... >> bh->b_data = page_address(page) + offset; > Ah, yes. I guess there will be many bugs like this :). Anyway, I'll > try to cook up a patch. It won't catch all the bugs, but it might be handy to have a debugging mode that records the location of the last user of page_address() and friends. That way, when we trip over an unmapped page, we have an easier time finding the offender. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
